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Flash Flood — Union, NJ

Sep 1, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread northeast New Jersey during the evening of September 1 and continued through the early morning hours of September 2. Rainfall totals ranged from 5-8+ inches across much of the region, with much of that rain falling in just a few hours. The ASOS at Newark Airport recorded 8.44 inches of rain, while the ASOS at Teterboro Airport recorded 7.14 inches. A COOP observer in Harrison recorded 8.72 inches of rain. This resu

Source: NOAA National Weather Service Storm Events Database (event 987260). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Union, NJ

This event is one of many recorded floods in Union County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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